diff options
| -rw-r--r-- | libraries/base/GHC/Conc/Sync.hs | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/libraries/base/GHC/Conc/Sync.hs b/libraries/base/GHC/Conc/Sync.hs index b587da0785..ff40c4263f 100644 --- a/libraries/base/GHC/Conc/Sync.hs +++ b/libraries/base/GHC/Conc/Sync.hs @@ -133,9 +133,6 @@ infixr 0 `par`, `pseq` ----------------------------------------------------------------------------- data ThreadId = ThreadId ThreadId# --- ToDo: data ThreadId = ThreadId (Weak ThreadId#) --- But since ThreadId# is unlifted, the Weak type must use open --- type variables. {- ^ A 'ThreadId' is an abstract type representing a handle to a thread. 'ThreadId' is an instance of 'Eq', 'Ord' and 'Show', where @@ -146,10 +143,9 @@ useful when debugging or diagnosing the behaviour of a concurrent program. /Note/: in GHC, if you have a 'ThreadId', you essentially have -a pointer to the thread itself. This means the thread itself can\'t be -garbage collected until you drop the 'ThreadId'. -This misfeature will hopefully be corrected at a later date. - +a pointer to the thread itself. This means the thread itself can\'t be +garbage collected until you drop the 'ThreadId'. This misfeature would +be difficult to correct while continuing to support 'threadStatus'. -} -- | @since 4.2.0.0 |